diff options
Diffstat (limited to 'backend/epson2-ops.c')
| -rw-r--r-- | backend/epson2-ops.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/backend/epson2-ops.c b/backend/epson2-ops.c index d81deaf..5d8c84d 100644 --- a/backend/epson2-ops.c +++ b/backend/epson2-ops.c @@ -472,8 +472,10 @@ e2_set_tpu2_area(struct Epson_Scanner *s, int x, int y, int unit) } void -e2_add_depth(Epson_Device * dev, SANE_Word depth) +e2_add_depth(Epson_Device *dev, SANE_Int depth) { + DBG(10, "%s: add (bpp): %d\n", __func__, depth); + if (depth > dev->maxDepth) dev->maxDepth = depth; @@ -765,7 +767,7 @@ e2_discover_capabilities(Epson_Scanner *s) * Check for the max. supported color depth and assign * the values to the bitDepthList. */ - dev->depth_list = malloc(sizeof(SANE_Word) * 4); + dev->depth_list = malloc(sizeof(SANE_Int) * (4 + 1)); if (dev->depth_list == NULL) { DBG(1, "out of memory (line %d)\n", __LINE__); return SANE_STATUS_NO_MEM; @@ -776,9 +778,12 @@ e2_discover_capabilities(Epson_Scanner *s) /* maximum depth discovery */ DBG(3, "discovering max depth, NAKs are expected\n"); - if (dev->maxDepth >= 16 || dev->maxDepth == 0) { - if (esci_set_data_format(s, 16) == SANE_STATUS_GOOD) - e2_add_depth(dev, 16); + /* add default depth */ + e2_add_depth(dev, 8); + + if (dev->maxDepth >= 12 || dev->maxDepth == 0) { + if (esci_set_data_format(s, 12) == SANE_STATUS_GOOD) + e2_add_depth(dev, 12); } if (dev->maxDepth >= 14 || dev->maxDepth == 0) { @@ -786,14 +791,11 @@ e2_discover_capabilities(Epson_Scanner *s) e2_add_depth(dev, 14); } - if (dev->maxDepth >= 12 || dev->maxDepth == 0) { - if (esci_set_data_format(s, 12) == SANE_STATUS_GOOD) - e2_add_depth(dev, 12); + if (dev->maxDepth >= 16 || dev->maxDepth == 0) { + if (esci_set_data_format(s, 16) == SANE_STATUS_GOOD) + e2_add_depth(dev, 16); } - /* add default depth */ - e2_add_depth(dev, 8); - DBG(1, "maximum supported color depth: %d\n", dev->maxDepth); /* @@ -1742,6 +1744,8 @@ e2_ext_read(struct Epson_Scanner *s) SANE_Status status = SANE_STATUS_GOOD; ssize_t buf_len = 0, read; + DBG(18, "%s: begin\n", __func__); + /* did we passed everything we read to sane? */ if (s->ptr == s->end) { @@ -1765,10 +1769,12 @@ e2_ext_read(struct Epson_Scanner *s) /* receive image data + error code */ read = e2_recv(s, s->buf, buf_len + 1, &status); - DBG(18, "%s: read %lu bytes\n", __func__, (unsigned long) read); + DBG(18, "%s: read %lu bytes, status: %d\n", __func__, (unsigned long) read, status); - if (read != buf_len + 1) - return SANE_STATUS_IO_ERROR; + if (status != SANE_STATUS_GOOD) { + e2_cancel(s); + return status; + } if (e2_dev_model(dev, "GT-8200") || e2_dev_model(dev, "Perfection1650")) { /* See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=597922#127 */ |